Finding the Third Proportional to 131,445 and 205,929

Step by Step Solution

1. Step 1: Write the proportion equation
   131,445 : 205,929 = 205,929 : x
2. Step 2: Convert to fraction form
   131,445/205,929 = 205,929/x
3. Step 3: Cross multiply
   131,445x = 205,929 × 205,929
4. Step 4: Simplify right side
   131,445x = 42,406,753,041
5. Step 5: Solve for x
   x = 42,406,753,041/131,445
6. Step 6: Final answer
   x = 322,619.75